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/******************************************************************************
*
* Module Name: utdecode - Utility decoding routines (value-to-string)
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*/
#define __UTDECODE_C__
#include <contrib/dev/acpica/include/acpi.h>
#include <contrib/dev/acpica/include/accommon.h>
#include <contrib/dev/acpica/include/acnamesp.h>
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME ("utdecode")
/*******************************************************************************
*
* FUNCTION: AcpiFormatException
*
* PARAMETERS: Status - The ACPI_STATUS code to be formatted
*
* RETURN: A string containing the exception text. A valid pointer is
* always returned.
*
* DESCRIPTION: This function translates an ACPI exception into an ASCII string
* It is here instead of utxface.c so it is always present.
*
******************************************************************************/
const char *
AcpiFormatException (
ACPI_STATUS Status)
{
const char *Exception = NULL;
ACPI_FUNCTION_ENTRY ();
Exception = AcpiUtValidateException (Status);
if (!Exception)
{
/* Exception code was not recognized */
ACPI_ERROR ((AE_INFO,
"Unknown exception code: 0x%8.8X", Status));
Exception = "UNKNOWN_STATUS_CODE";
}
return (ACPI_CAST_PTR (const char, Exception));
}
ACPI_EXPORT_SYMBOL (AcpiFormatException)
/*
* Properties of the ACPI Object Types, both internal and external.
* The table is indexed by values of ACPI_OBJECT_TYPE
*/
const UINT8 AcpiGbl_NsProperties[ACPI_NUM_NS_TYPES] =
{
ACPI_NS_NORMAL, /* 00 Any */
ACPI_NS_NORMAL, /* 01 Number */
ACPI_NS_NORMAL, /* 02 String */
ACPI_NS_NORMAL, /* 03 Buffer */
ACPI_NS_NORMAL, /* 04 Package */
ACPI_NS_NORMAL, /* 05 FieldUnit */
ACPI_NS_NEWSCOPE, /* 06 Device */
ACPI_NS_NORMAL, /* 07 Event */
ACPI_NS_NEWSCOPE, /* 08 Method */
ACPI_NS_NORMAL, /* 09 Mutex */
ACPI_NS_NORMAL, /* 10 Region */
ACPI_NS_NEWSCOPE, /* 11 Power */
ACPI_NS_NEWSCOPE, /* 12 Processor */
ACPI_NS_NEWSCOPE, /* 13 Thermal */
ACPI_NS_NORMAL, /* 14 BufferField */
ACPI_NS_NORMAL, /* 15 DdbHandle */
ACPI_NS_NORMAL, /* 16 Debug Object */
ACPI_NS_NORMAL, /* 17 DefField */
ACPI_NS_NORMAL, /* 18 BankField */
ACPI_NS_NORMAL, /* 19 IndexField */
ACPI_NS_NORMAL, /* 20 Reference */
ACPI_NS_NORMAL, /* 21 Alias */
ACPI_NS_NORMAL, /* 22 MethodAlias */
ACPI_NS_NORMAL, /* 23 Notify */
ACPI_NS_NORMAL, /* 24 Address Handler */
ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 25 Resource Desc */
ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 26 Resource Field */
ACPI_NS_NEWSCOPE, /* 27 Scope */
ACPI_NS_NORMAL, /* 28 Extra */
ACPI_NS_NORMAL, /* 29 Data */
ACPI_NS_NORMAL /* 30 Invalid */
};
/*******************************************************************************
*
* FUNCTION: AcpiUtHexToAsciiChar
*
* PARAMETERS: Integer - Contains the hex digit
* Position - bit position of the digit within the
* integer (multiple of 4)
*
* RETURN: The converted Ascii character
*
* DESCRIPTION: Convert a hex digit to an Ascii character
*
******************************************************************************/
/* Hex to ASCII conversion table */
static const char AcpiGbl_HexToAscii[] =
{
'0','1','2','3','4','5','6','7',
'8','9','A','B','C','D','E','F'
};
char
AcpiUtHexToAsciiChar (
UINT64 Integer,
UINT32 Position)
{
return (AcpiGbl_HexToAscii[(Integer >> Position) & 0xF]);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtGetRegionName
*
* PARAMETERS: Space ID - ID for the region
*
* RETURN: Decoded region SpaceId name
*
* DESCRIPTION: Translate a Space ID into a name string (Debug only)
*
******************************************************************************/
/* Region type decoding */
const char *AcpiGbl_RegionTypes[ACPI_NUM_PREDEFINED_REGIONS] =
{
"SystemMemory",
"SystemIO",
"PCI_Config",
"EmbeddedControl",
"SMBus",
"SystemCMOS",
"PCIBARTarget",
"IPMI"
};
char *
AcpiUtGetRegionName (
UINT8 SpaceId)
{
if (SpaceId >= ACPI_USER_REGION_BEGIN)
{
return ("UserDefinedRegion");
}
else if (SpaceId == ACPI_ADR_SPACE_DATA_TABLE)
{
return ("DataTable");
}
else if (SpaceId == ACPI_ADR_SPACE_FIXED_HARDWARE)
{
return ("FunctionalFixedHW");
}
else if (SpaceId >= ACPI_NUM_PREDEFINED_REGIONS)
{
return ("InvalidSpaceId");
}
return (ACPI_CAST_PTR (char, AcpiGbl_RegionTypes[SpaceId]));
}
/*******************************************************************************
*
* FUNCTION: AcpiUtGetEventName
*
* PARAMETERS: EventId - Fixed event ID
*
* RETURN: Decoded event ID name
*
* DESCRIPTION: Translate a Event ID into a name string (Debug only)
*
******************************************************************************/
/* Event type decoding */
static const char *AcpiGbl_EventTypes[ACPI_NUM_FIXED_EVENTS] =
{
"PM_Timer",
"GlobalLock",
"PowerButton",
"SleepButton",
"RealTimeClock",
};
char *
AcpiUtGetEventName (
UINT32 EventId)
{
if (EventId > ACPI_EVENT_MAX)
{
return ("InvalidEventID");
}
return (ACPI_CAST_PTR (char, AcpiGbl_EventTypes[EventId]));
}
/*******************************************************************************
*
* FUNCTION: AcpiUtGetTypeName
*
* PARAMETERS: Type - An ACPI object type
*
* RETURN: Decoded ACPI object type name
*
* DESCRIPTION: Translate a Type ID into a name string (Debug only)
*
******************************************************************************/
/*
* Elements of AcpiGbl_NsTypeNames below must match
* one-to-one with values of ACPI_OBJECT_TYPE
*
* The type ACPI_TYPE_ANY (Untyped) is used as a "don't care" when searching;
* when stored in a table it really means that we have thus far seen no
* evidence to indicate what type is actually going to be stored for this entry.
*/
static const char AcpiGbl_BadType[] = "UNDEFINED";
/* Printable names of the ACPI object types */
static const char *AcpiGbl_NsTypeNames[] =
{
/* 00 */ "Untyped",
/* 01 */ "Integer",
/* 02 */ "String",
/* 03 */ "Buffer",
/* 04 */ "Package",
/* 05 */ "FieldUnit",
/* 06 */ "Device",
/* 07 */ "Event",
/* 08 */ "Method",
/* 09 */ "Mutex",
/* 10 */ "Region",
/* 11 */ "Power",
/* 12 */ "Processor",
/* 13 */ "Thermal",
/* 14 */ "BufferField",
/* 15 */ "DdbHandle",
/* 16 */ "DebugObject",
/* 17 */ "RegionField",
/* 18 */ "BankField",
/* 19 */ "IndexField",
/* 20 */ "Reference",
/* 21 */ "Alias",
/* 22 */ "MethodAlias",
/* 23 */ "Notify",
/* 24 */ "AddrHandler",
/* 25 */ "ResourceDesc",
/* 26 */ "ResourceFld",
/* 27 */ "Scope",
/* 28 */ "Extra",
/* 29 */ "Data",
/* 30 */ "Invalid"
};
char *
AcpiUtGetTypeName (
ACPI_OBJECT_TYPE Type)
{
if (Type > ACPI_TYPE_INVALID)
{
return (ACPI_CAST_PTR (char, AcpiGbl_BadType));
}
return (ACPI_CAST_PTR (char, AcpiGbl_NsTypeNames[Type]));
}
char *
AcpiUtGetObjectTypeName (
ACPI_OPERAND_OBJECT *ObjDesc)
{
if (!ObjDesc)
{
return ("[NULL Object Descriptor]");
}
return (AcpiUtGetTypeName (ObjDesc->Common.Type));
}
/*******************************************************************************
*
* FUNCTION: AcpiUtGetNodeName
*
* PARAMETERS: Object - A namespace node
*
* RETURN: ASCII name of the node
*
* DESCRIPTION: Validate the node and return the node's ACPI name.
*
******************************************************************************/
char *
AcpiUtGetNodeName (
void *Object)
{
ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) Object;
/* Must return a string of exactly 4 characters == ACPI_NAME_SIZE */
if (!Object)
{
return ("NULL");
}
/* Check for Root node */
if ((Object == ACPI_ROOT_OBJECT) ||
(Object == AcpiGbl_RootNode))
{
return ("\"\\\" ");
}
/* Descriptor must be a namespace node */
if (ACPI_GET_DESCRIPTOR_TYPE (Node) != ACPI_DESC_TYPE_NAMED)
{
return ("####");
}
/*
* Ensure name is valid. The name was validated/repaired when the node
* was created, but make sure it has not been corrupted.
*/
AcpiUtRepairName (Node->Name.Ascii);
/* Return the name */
return (Node->Name.Ascii);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtGetDescriptorName
*
* PARAMETERS: Object - An ACPI object
*
* RETURN: Decoded name of the descriptor type
*
* DESCRIPTION: Validate object and return the descriptor type
*
******************************************************************************/
/* Printable names of object descriptor types */
static const char *AcpiGbl_DescTypeNames[] =
{
/* 00 */ "Not a Descriptor",
/* 01 */ "Cached",
/* 02 */ "State-Generic",
/* 03 */ "State-Update",
/* 04 */ "State-Package",
/* 05 */ "State-Control",
/* 06 */ "State-RootParseScope",
/* 07 */ "State-ParseScope",
/* 08 */ "State-WalkScope",
/* 09 */ "State-Result",
/* 10 */ "State-Notify",
/* 11 */ "State-Thread",
/* 12 */ "Walk",
/* 13 */ "Parser",
/* 14 */ "Operand",
/* 15 */ "Node"
};
char *
AcpiUtGetDescriptorName (
void *Object)
{
if (!Object)
{
return ("NULL OBJECT");
}
if (ACPI_GET_DESCRIPTOR_TYPE (Object) > ACPI_DESC_TYPE_MAX)
{
return ("Not a Descriptor");
}
return (ACPI_CAST_PTR (char,
AcpiGbl_DescTypeNames[ACPI_GET_DESCRIPTOR_TYPE (Object)]));
}
/*******************************************************************************
*
* FUNCTION: AcpiUtGetReferenceName
*
* PARAMETERS: Object - An ACPI reference object
*
* RETURN: Decoded name of the type of reference
*
* DESCRIPTION: Decode a reference object sub-type to a string.
*
******************************************************************************/
/* Printable names of reference object sub-types */
static const char *AcpiGbl_RefClassNames[] =
{
/* 00 */ "Local",
/* 01 */ "Argument",
/* 02 */ "RefOf",
/* 03 */ "Index",
/* 04 */ "DdbHandle",
/* 05 */ "Named Object",
/* 06 */ "Debug"
};
const char *
AcpiUtGetReferenceName (
ACPI_OPERAND_OBJECT *Object)
{
if (!Object)
{
return ("NULL Object");
}
if (ACPI_GET_DESCRIPTOR_TYPE (Object) != ACPI_DESC_TYPE_OPERAND)
{
return ("Not an Operand object");
}
if (Object->Common.Type != ACPI_TYPE_LOCAL_REFERENCE)
{
return ("Not a Reference object");
}
if (Object->Reference.Class > ACPI_REFCLASS_MAX)
{
return ("Unknown Reference class");
}
return (AcpiGbl_RefClassNames[Object->Reference.Class]);
}
#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
/*
* Strings and procedures used for debug only
*/
/*******************************************************************************
*
* FUNCTION: AcpiUtGetMutexName
*
* PARAMETERS: MutexId - The predefined ID for this mutex.
*
* RETURN: Decoded name of the internal mutex
*
* DESCRIPTION: Translate a mutex ID into a name string (Debug only)
*
******************************************************************************/
/* Names for internal mutex objects, used for debug output */
static char *AcpiGbl_MutexNames[ACPI_NUM_MUTEX] =
{
"ACPI_MTX_Interpreter",
"ACPI_MTX_Namespace",
"ACPI_MTX_Tables",
"ACPI_MTX_Events",
"ACPI_MTX_Caches",
"ACPI_MTX_Memory",
"ACPI_MTX_CommandComplete",
"ACPI_MTX_CommandReady"
};
char *
AcpiUtGetMutexName (
UINT32 MutexId)
{
if (MutexId > ACPI_MAX_MUTEX)
{
return ("Invalid Mutex ID");
}
return (AcpiGbl_MutexNames[MutexId]);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtGetNotifyName
*
* PARAMETERS: NotifyValue - Value from the Notify() request
*
* RETURN: Decoded name for the notify value
*
* DESCRIPTION: Translate a Notify Value to a notify namestring.
*
******************************************************************************/
/* Names for Notify() values, used for debug output */
static const char *AcpiGbl_NotifyValueNames[] =
{
"Bus Check",
"Device Check",
"Device Wake",
"Eject Request",
"Device Check Light",
"Frequency Mismatch",
"Bus Mode Mismatch",
"Power Fault",
"Capabilities Check",
"Device PLD Check",
"Reserved",
"System Locality Update"
};
const char *
AcpiUtGetNotifyName (
UINT32 NotifyValue)
{
if (NotifyValue <= ACPI_NOTIFY_MAX)
{
return (AcpiGbl_NotifyValueNames[NotifyValue]);
}
else if (NotifyValue <= ACPI_MAX_SYS_NOTIFY)
{
return ("Reserved");
}
else /* Greater or equal to 0x80 */
{
return ("**Device Specific**");
}
}
#endif
/*******************************************************************************
*
* FUNCTION: AcpiUtValidObjectType
*
* PARAMETERS: Type - Object type to be validated
*
* RETURN: TRUE if valid object type, FALSE otherwise
*
* DESCRIPTION: Validate an object type
*
******************************************************************************/
BOOLEAN
AcpiUtValidObjectType (
ACPI_OBJECT_TYPE Type)
{
if (Type > ACPI_TYPE_LOCAL_MAX)
{
/* Note: Assumes all TYPEs are contiguous (external/local) */
return (FALSE);
}
return (TRUE);
}